查询词典 logic level indicator

At the same time, using bromocresol green - methyl red indicator and phenolphthalein indicator control instructions with the free acid end of the titration end sensitive and accurate.

同时，采用溴甲酚绿-甲基红指示剂与酚酞指示剂配合指示调控游离酸的终点，使滴定终点灵敏、结果准确。

A mixed indicator composed of bromocresol green, methyl red and phenalphthalein was used as indicator in titration of boron after the inteterience of cobalt was masked by EDTA.

采用甘露醇强化硼酸滴定硼时，以EDTA为掩蔽剂，可消除二价钴对硼分析的干扰；改用溴甲酚绿-甲基红-酚酞三元混合指示剂作为测定硼的指示剂，使滴定终点灵敏，准确。

Universal indicator paper,special indicator paper,ammonium fluoride,ammonium hydrogen difluoride,nbenzyldimethylamine,disinfectant paper,nacetylphenylhydrazine,mcresol purple,bromocresol green,fluorescein,eosin Y,ninhydrin,phenedons,potassium phthalate,pamimobenzene sulphonic acid anhydrous.

广泛试纸，精密试纸，氟化铵，氟化氢铵，N苄基二甲胺，消毒试纸，N乙酰苯肼，间甲酚紫，溴甲酚绿，荧光素，曙红Y，水合茚三酮，菲尼酮S，苯甲酸氢钾，无水对氨基苯磺酸。

Secondly, the method of hierarchical classification was adopted to divide 282 cities into 3 kinds, the first was mainly capital cities and vice-province cities; the second was mostly eastern coastal cities and some middle cities; the third was western cities and part of middle cities. Thirdly, principle component analysis was taken to get the numbers of principle component, dedicative ratios of each principle component, and indicator values of each kind of cities, then, the differences of numbers of principle component, dedicative ratios of each principle component, and indicator values of each kind was investigated.

然后采用层次聚类分析的方法将282个地级城市分成了3类，采用主成分分析的方法分别对每一类型城市进行分析，得出每类型城市主成分的组数、每组主成分的贡献率及指标的因子值，分析了各类型城市主成分及指标因子值的差异。

The biologic assay validated that Allium porrum、Allium cepa、Vicia faba and Gomphrena globosa was better indicator host of LYSV、OYDV、GCLV and PVX respectively. Virus particles were observed in purified sap from infected garlic or infected indicator host.

明确了韭葱是LYSV很好的鉴别寄主和繁殖寄主，洋葱是OYDV很好的鉴别寄主和繁殖寄主，蚕豆是GCLV很好的鉴别寄主，千日红是PVX很好的鉴别寄主。

Methods Tarry stools from 38 cases definited upper gastrointestinal bleeding and 16 stomach strains confirmed including red blood cells by test under microscope respectively tested by colloidal gold indicator paper, orthotolidine method and tetramethyl benzidine indicator paper.

将38例临床确诊为上消化道出血患者的&柏油&样粪便和16份经镜检证实含红细胞的胃引流物标本分别用胶体金试纸、邻联甲苯胺和四甲基联苯胺尿隐血试纸测试其是否含有隐血。

The source,existing form and equilibrium of carbonic acid in natural water are presented in this article,which points out that alkalinity is determined by double indicator that indicates purply at the first terminal point,while at the second terminal point should use methyl red-bromocresol green mixed indicator.

介绍了天然水体中碳酸的来源、存在形式及平衡关系；指出用&双指示剂&法测定水中碱度的第一终点应显粉紫色，第二终点宜采用甲基红-溴甲酚绿混合指示剂；测定游离二氧化碳要用双样测定并严格控制滴定终点；各种碳酸的含量可与pH值、硬度的测定结果进行校核。

Experimental study on effect of acetic acid and carbonic acid on clay's geotechnical behaviors;2. The source,existing form and equilibrium of carbonic acid in natural water are presented in this article,which points out that alkalinity is determined by double indicator that indicates purply at the first terminal point,while at the second terminal point should use methyl red-bromocresol green mixed indicator.

介绍了天然水体中碳酸的来源、存在形式及平衡关系；指出用&双指示剂&法测定水中碱度的第一终点应显粉紫色，第二终点宜采用甲基红-溴甲酚绿混合指示剂；测定游离二氧化碳要用双样测定并严格控制滴定终点；各种碳酸的含量可与pH值、硬度的测定结果进行校核。

Results In 38 cases of tarry stools,the positive percentage is 60.5 by colloidal gold indicator paper,and the positive percentage is100 byorthotolidine method and tetramethyl benzidine indicator paper.In 16 cases of stomach strains the positive percentage is respectively 68.8,100 and 81.3 by above three methods.

结果：测试38例&柏油&样粪便标本，胶体金试纸阳性率为60.5％，邻联甲苯胺和尿隐血试纸均为100％；测试16份含红细胞的胃引流物标本，胶体金试纸阳性率为68.8％，邻联甲苯胺为100％，尿隐血试为81.3％。

This thesis analyzes the listed companies' current financial standing,taking into consideration the external social economic factors,enterprises' internal economic state,the authenticity of financial data, as well as the rationality of analysis methods,and works out a financial analysis indicator system for listed companies,which,with concrete indicator figures,reveals the listed companies' debt paying ability,operating ability,profit-making ability and the ability to ensure sustainable development in addit...

施国柱；上海电视大学金融与会计系上海；文章通过分析我国上市公司现时的财务状况，并充分考虑外部社会经济因素、内部企业经济因素、会计信息的真实性因素以及分析方法的合理性因素等问题，设置出一套完整的上市公司财务分析指标体系，用具体的指标数值来全面揭示上市公司的偿债能力、营运能力、盈利能力和可持续发展能力，以真实反映上市公司的经营绩效，并客观地做出科学评价。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。